app_sid = '77******-1***-4***-a***-8***********'
app_key = '89******************************'
Aspose::Cloud::Common::AsposeApp.new(app_sid, app_key)

#build URI to create PDF from HTML
str_uri = 'http://api.aspose.com/v1.1/pdf/outPdfFile.pdf?templateFile=HtmlExample1.html&templateType=html'

#sign URI
signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)
RestClient.put(signed_uri, '', {:accept=>'application/json'})

#build URI to download output file
str_uri = 'http://api.aspose.com/v1.1/storage/file/outPdfFile.pdf'

#sign URI
signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)
response_stream = RestClient.get(signed_uri, :accept => 'application/json')
Aspose::Cloud::Common::Utils.save_file(response_stream, "outPdfFile.pdf")
p 'done'

http://www.aspose.com/docs/display/pdfcloud/Create+PDF+from+HTML

This code sample shows how Ruby developers can create PDF file from HTML using Aspose.Pdf for Cloud API in their REST applications.

Ruby Code Sample to Create PDF from HTML Using REST API

file, html

Ruby